Tire tread and buttress



FIG. 1 is a perspective view of a tire tread and buttress showing ournew design, it being understood that the pattern is repeated throughoutthe circumference of the tread and buttress, the opposite side beingsubstantially the same as that shown;

FIG. 2 is a front elevation view thereof; and

FIG. 3 is a fragmentary side elevation view thereof on a larger scale.

The broken line showing of environmental structure in FIGS. 1 and 3 ofthe drawing is for illustrative purposes only and forms no part of theclaimed design.

The ornamental design for a tire tread and buttress, as shown anddescribed.